/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshSimplifyFunctions.h
Simplifies planar areas of the mesh that have more triangles than necessary. Note that it does not change the 3D shape of the mesh. Planar regions are identified by comparison of face normals using a Angle Threshold in the Options.
static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * ApplySimplifyToPlanar ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptPlanarSimplifyOptions](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptP-_3) Options, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )